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/*
Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "empty.h"
#include "film.h"
#include "playlist.h"
#include "content.h"
#include "content_part.h"
#include "dcp_content.h"
#include "dcpomatic_time_coalesce.h"
#include "piece.h"
#include <boost/foreach.hpp>
#include <iostream>
using std::cout;
using std::list;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using boost::function;
using namespace dcpomatic;
Empty::Empty (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, function<bool (shared_ptr<const Content>)> part)
{
list<DCPTimePeriod> full;
BOOST_FOREACH (shared_ptr<Content> i, playlist->content()) {
if (part(i)) {
full.push_back (DCPTimePeriod (i->position(), i->end(film)));
}
}
_periods = subtract (DCPTimePeriod(DCPTime(), playlist->length(film)), coalesce(full));
if (!_periods.empty ()) {
_position = _periods.front().from;
}
}
void
Empty::set_position (DCPTime position)
{
_position = position;
BOOST_FOREACH (DCPTimePeriod i, _periods) {
if (i.contains(_position)) {
return;
}
}
BOOST_FOREACH (DCPTimePeriod i, _periods) {
if (i.from > _position) {
_position = i.from;
return;
}
}
}
DCPTimePeriod
Empty::period_at_position () const
{
BOOST_FOREACH (DCPTimePeriod i, _periods) {
if (i.contains(_position)) {
return DCPTimePeriod (_position, i.to);
}
}
DCPOMATIC_ASSERT (false);
}
bool
Empty::done () const
{
DCPTime latest;
BOOST_FOREACH (DCPTimePeriod i, _periods) {
latest = max (latest, i.to);
}
return _position >= latest;
}
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